Rollator



FIG. 1 is a front perspective view of our new design of a rollator in a first configuration;

FIG. 2 is a right side elevation view thereof, the left side elevation view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a front perspective view of the rollator in a second configuration;

FIG. 7 is a right side elevation view thereof, the left side elevation view being a mirror image thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a front elevation view thereof.

The broken lines illustrate portions of the rollator that form no part of the claimed design. 

CLAIM The ornamental design for a rollator, as shown and described. 